3-in-1 sewer hose adapter



FIG. 1 is a top, front, right side perspective view of a 3-in-1 sewer hose adapter showing our new design;

FIG. 2 is a front elevational view thereof, the back elevational view being a mirror image thereof;

FIG. 3 is a left side elevational view thereof, the right side elevational view being a mirror image thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The broken lines represent environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a 3-in-1 sewer hose adapter, as shown and described. 